Home / 1,769,311.40-2,653,967.10-439,615.40

Finding the Fourth Proportional to 1,769,311.40, 2,653,967.10 and 439,615.40

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Solution

The fourth proportional to 1,769,311.40, 2,653,967.10 and 439,615.40 is: 659,423.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,311.40 : 2,653,967.10 = 439,615.40 : x
  2. Step 2: Convert to fraction form
    1,769,311.40/2,653,967.10 = 439,615.40/x
  3. Step 3: Cross multiply
    1,769,311.40x = 2,653,967.10 × 439,615.40
  4. Step 4: Simplify right side
    1,769,311.40x = 1,166,724,808,253.34
  5. Step 5: Solve for x
    x = 1,166,724,808,253.34/1,769,311.40
  6. Step 6: Final answer
    x = 659,423.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.